Tangent
Well-Known Member
You put the 8' 2x4s about 1/3 of the distance in from the side, before putting the panels in, the entire length of the sheet rests on them. That makes the maximum span on any part of the sheet is around 1'-1-1/2', which should prevent any deformation. Throwing a ratchet strap or two around the assembly before securing the load helps keep everything where it should be for the trip.
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